§ 31.023  COMPENSATION.
   If the Mayor Pro Tem performs the duties of the Mayor during the Mayor’s absence or disability for a continuous period of 15 days or more, the Mayor Pro Tem may be paid for that period that compensation as determined by the Council, based upon the Mayor Pro Tem’s performance of the Mayor’s duties and upon the compensation of the Mayor.
(Iowa Code § 372.13(8))  (1999 Code, § 16.04)